CA2375706A1 - Methode et appareil de mesure et d'estimation du rapport signal optique/bruit dans des reseaux photoniques - Google Patents

Methode et appareil de mesure et d'estimation du rapport signal optique/bruit dans des reseaux photoniques Download PDF

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Publication number
CA2375706A1
CA2375706A1 CA002375706A CA2375706A CA2375706A1 CA 2375706 A1 CA2375706 A1 CA 2375706A1 CA 002375706 A CA002375706 A CA 002375706A CA 2375706 A CA2375706 A CA 2375706A CA 2375706 A1 CA2375706 A1 CA 2375706A1
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CA
Canada
Prior art keywords
optical
node
signal
network
channel frequencies
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002375706A
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English (en)
Inventor
Richard W. Heath
Peter J. Anslow
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nortel Networks Ltd
Original Assignee
Nortel Networks Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nortel Networks Ltd filed Critical Nortel Networks Ltd
Publication of CA2375706A1 publication Critical patent/CA2375706A1/fr
Abandoned legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
CA002375706A 2001-03-12 2002-03-11 Methode et appareil de mesure et d'estimation du rapport signal optique/bruit dans des reseaux photoniques Abandoned CA2375706A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/804,330 2001-03-12
US09/804,330 US6907197B2 (en) 2001-03-12 2001-03-12 Method and apparatus for measuring and estimating optical signal to noise ratio in photonic networks

Publications (1)

Publication Number Publication Date
CA2375706A1 true CA2375706A1 (fr) 2002-09-12

Family

ID=25188710

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002375706A Abandoned CA2375706A1 (fr) 2001-03-12 2002-03-11 Methode et appareil de mesure et d'estimation du rapport signal optique/bruit dans des reseaux photoniques

Country Status (4)

Country Link
US (1) US6907197B2 (fr)
EP (1) EP1241820B9 (fr)
CA (1) CA2375706A1 (fr)
DE (1) DE60226190T2 (fr)

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US6980737B1 (en) * 2000-10-16 2005-12-27 Nortel Networks Limited Method and apparatus for rapidly measuring optical transmission characteristics in photonic networks
US7181137B1 (en) * 2002-09-30 2007-02-20 Cisco Technology, Inc. Subband spectrum analysis for optical multiplex section protection
US7146099B2 (en) * 2002-11-05 2006-12-05 Siemens Communications, Inc. Method and apparatus for optical signal and noise analysis using pulse amplitude histogram
US7269347B1 (en) * 2003-05-28 2007-09-11 Ciena Corporation Optical receiver decision threshold tuning apparatus and method
US7113666B2 (en) * 2004-06-03 2006-09-26 Sunrise Telecom Incorporated Method and apparatus for spectrum deconvolution and reshaping
KR100916008B1 (ko) * 2004-06-03 2009-09-10 선라이즈 텔레콤 인코포레이티드 스펙트럼 디콘볼루션 및 재형성을 위한 방법 및 장치
GB0414286D0 (en) * 2004-06-25 2004-07-28 Plastoform Ind Ltd Detachable keypad for electronic game-control console
CN101167273B (zh) * 2005-04-29 2012-07-04 澳大利亚国家Ict有限公司 用于带内光学性能监测的方法及设备
CN100460902C (zh) * 2006-03-10 2009-02-11 中兴通讯股份有限公司 波分复用系统残余色散补偿的调节方法和装置
CN101119174B (zh) * 2006-07-31 2011-03-02 中兴通讯股份有限公司 波分复用系统光信噪比的测试方法
EP2140586B1 (fr) 2007-04-05 2018-05-30 Exfo Inc. Procédé et système permettant de déterminer un bruit optique dans la bande
EP2309663A1 (fr) * 2009-10-09 2011-04-13 The Provost, Fellows and Scholars of the College of the Holy and Undivided Trinity of Queen Elizabeth near Dublin Système et procédé de mesure du rapport signal optique-bruit
EP2486678B1 (fr) * 2010-02-15 2018-08-15 Exfo Inc. Mesure du rapport osnr dans la bande, basée sur une référence, pour des signaux multiplexés par polarisation
WO2013028241A1 (fr) * 2011-08-25 2013-02-28 The Trustees Of Columbia University In The City Of New York Systèmes et procédés pour un nœud de réseau optique à traversée de couches
US9306664B1 (en) * 2013-03-14 2016-04-05 Google Inc. In-service optical signal to noise ratio monitoring in an optical network
WO2015157964A1 (fr) * 2014-04-17 2015-10-22 华为技术有限公司 Procédé et dispositif de surveillance du rapport signal-bruit optique
US9819411B2 (en) * 2014-10-15 2017-11-14 Zte Corporation Signal to noise ratio estimation in optical communication networks
CN106559133B (zh) * 2015-09-28 2020-02-14 华为技术有限公司 光信号检测的方法及其网络设备
CN106656320B (zh) 2015-10-29 2019-04-12 阿里巴巴集团控股有限公司 用于光量子通信业务的光纤信道损耗测量系统、方法及装置
US10476587B2 (en) 2016-05-31 2019-11-12 Alibaba Group Holding Limited System and method for enhancing reliability in a transport network
CN108631875A (zh) 2017-03-24 2018-10-09 阿里巴巴集团控股有限公司 双通道小型化可插拔模块、外壳和通信系统
CN112838895B (zh) * 2019-11-25 2023-09-12 中兴通讯股份有限公司 一种中继配置方法、装置、设备及存储介质
US11394814B2 (en) 2020-05-20 2022-07-19 Alibaba Group Holding Limited Path control by end hosts in networks
US11057113B1 (en) 2020-06-02 2021-07-06 Alibaba Group Holding Limited High-speed silicon photonics optical transceivers
US11668590B2 (en) 2020-11-11 2023-06-06 Alibaba Group Holding Limited System and method for fiber sensing
US11336376B1 (en) 2021-01-29 2022-05-17 Alibaba Group Holding Limited Flexible switch solution based on co-packaged optics
US11630261B2 (en) 2021-04-29 2023-04-18 Alibaba Singapore Holding Private Limited Co-packaged optics switch solution based on analog optical engines

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US6466342B1 (en) * 1999-02-18 2002-10-15 At&T Corp. Optical transmission system and method using an optical carrier drop/add transceiver
JP2001203414A (ja) * 2000-01-18 2001-07-27 Fujitsu Ltd 光信号対雑音比測定方法、並びに、該測定方法を利用した光信号対雑音比測定装置、プリエンファシス方法、光通信システム、測定回路、および、制御装置

Also Published As

Publication number Publication date
DE60226190D1 (de) 2008-06-05
DE60226190T2 (de) 2008-07-24
EP1241820A3 (fr) 2006-03-08
EP1241820A2 (fr) 2002-09-18
EP1241820B9 (fr) 2008-12-03
US6907197B2 (en) 2005-06-14
US20020154353A1 (en) 2002-10-24
EP1241820B1 (fr) 2008-04-23

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued